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近年来发现了一种新型的β-内酰胺型抗生素,它们的代表就是硫霉素(thienamycin),它的结构与β-内酰胺型的青霉素及头孢霉素不同。
In recent years, a new type of β-lactam antibiotics has been discovered. Their representative is thienamycin. Its structure is different from that of β-lactam-type penicillins and cephalosporins.